package com.peng.sell.controller;

import com.peng.sell.config.ProjectUrlConfig;
import com.peng.sell.enums.ResponseCodeEnum;
import com.peng.sell.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

@Controller
@RequestMapping("/wechat")
@Slf4j
@ConfigurationProperties
public class WechatController {
    @Autowired
    private WxMpService wxMpService;

    @Autowired
    private WxMpService wxOpenService;

    @Autowired
    private ProjectUrlConfig projectUrlConfig;

    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl") String returnUrl) {
//        ApplicationContext applicationContext
        String url = projectUrlConfig.getWechatMpAuthorize()+"/sell/wechat/userInfo";
        String redirectUrl;
        try {
            redirectUrl = wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAuth2Scope.SNSAPI_USERINFO, URLEncoder.encode(returnUrl, "UTF-8"));

        } catch (UnsupportedEncodingException e) {
            log.error("[微信网页授权]编码出错:error:{}",e);
            throw new SellException(ResponseCodeEnum.WECHAT_MP_ERROR);
        }
        return  "redirect:"+redirectUrl;

    }

    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken token;
        try {
            token = wxMpService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("[微信网页授权]出错:error:{}",e);
            throw new SellException(ResponseCodeEnum.WECHAT_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId = token.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openId;

    }

    @GetMapping("/qr_authorize")
    public String qrAuthorize(@RequestParam("returnUrl") String returnUrl) {
        String url = projectUrlConfig.getWechatMpAuthorize()+"/sell/wechat/qr_userInfo";
        String redirectUrl;
        try {
            redirectUrl = wxOpenService.buildQrConnectUrl(url, WxConsts.QrConnectScope.SNSAPI_LOGIN, URLEncoder.encode(returnUrl, "UTF-8"));

        } catch (UnsupportedEncodingException e) {
            log.error("[微信网页授权]编码出错:error:{}",e);
            throw new SellException(ResponseCodeEnum.WECHAT_MP_ERROR);
        }
        return  "redirect:"+redirectUrl;

    }

    @GetMapping("/qr_userInfo")
    public String qrUserInfo(@RequestParam("code") String code,@RequestParam("state") String returnUrl){
        WxMpOAuth2AccessToken token;
        try {
            token = wxOpenService.oauth2getAccessToken(code);
        } catch (WxErrorException e) {
            log.error("[微信网页授权]出错:error:{}",e);
            throw new SellException(ResponseCodeEnum.WECHAT_MP_ERROR.getCode(),e.getError().getErrorMsg());
        }
        String openId = token.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openId;

    }

}
